19705016

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{66571}}^1$

素因数の和:66614

約数の個数: 16

約数和(自身を含む): 37946040

約数和(自身を除く): 18241024

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 66571, 133142, 266284, 532568, 2463127, 4926254, 9852508, 19705016]

約数ペア:

[(1, 19705016), (2, 9852508), (4, 4926254), (8, 2463127), (37, 532568), (74, 266284), (148, 133142), (296, 66571)]